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Iron(II) oxalate

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Identification
Molecular formula
FeC2O4
CAS number
516-03-0
IUPAC name
ferrous;oxalate
State
State
Iron(II) oxalate is a solid at room temperature. It is typically found in its hydrated form, which is stable under normal conditions.
Melting point (Celsius)
198.00
Melting point (Kelvin)
471.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
143.86g/mol
Molar mass
143.8600g/mol
Density
2.2800g/cm3
Appearence

Iron(II) oxalate appears as a light green solid. It is often found in the dihydrate form, which imparts a greenish hue to the compound. The crystalline solid can also occur in a pale yellow color depending on its hydration state.

Comment on solubility

Solubility of Ferrous Oxalate

Ferrous oxalate, with the chemical formula FeC₂O₄, is an intriguing compound when it comes to solubility characteristics. The solubility of ferric oxalate is generally influenced by several factors, including pH, temperature, and the presence of other ions in solution. Here are some key points to consider:

  • Moderately Soluble: Ferrous oxalate is known to be moderately soluble in water, displaying solubility that increases with temperature.
  • pH Sensitivity: The solubility tends to decrease in acidic conditions. As the pH of the solution decreases, the solubility of FeC₂O₄ diminishes due to the formation of insoluble complexes.
  • Precipitation: In neutral to basic solutions, ferrous oxalate often precipitates, indicating a low solubility in those environments.
  • Complex Ion Formation: The presence of certain complexing agents can enhance solubility by forming soluble complexes with ferrous ions.

In summary, ferrous oxalate's solubility can vary widely based on environmental conditions. As one might put it, "In the chemistry of life, understanding solubility is key to unlocking the potential of compounds." Therefore, when working with FeC₂O₄, pay close attention to pH, temperature, and ionic interactions, as these factors will significantly affect its behavior in solution.

Interesting facts

Interesting Facts about Ferrous Oxalate

Ferrous oxalate is a fascinating compound that combines the elements iron and oxalic acid. It is often recognized for its role in various applications, particularly in analytical chemistry and as a precursor in the synthesis of other chemical compounds. Here are some intriguing aspects:

  • Oxalate Source: Ferrous oxalate is derived from oxalic acid, which is found in various plants, including spinach and rhubarb. This links the compound to both natural and synthetic processes.
  • Coordination Chemistry: This compound is notable for its ability to form coordination complexes, which are essential in numerous fields, such as biochemistry and materials science.
  • Reduction Properties: Ferrous oxalate can act as a reducing agent in various chemical reactions, showcasing its utility in organic synthesis.
  • Colorimetric Analysis: It is often used in colorimetric analysis to quantify the presence of iron in solutions, aiding in quality control in laboratories.
  • Historical Significance: Historically, ferrous oxalate has been employed in the production of pigments, such as iron gall ink, which was widely used in medieval manuscripts.

Through its unique properties and applications, ferrous oxalate serves as an excellent example of how chemistry intertwines with various aspects of science and technology. As the renowned chemist Linus Pauling once said, “Chemistry is the study of transformations.” Ferrous oxalate embodies this idea, demonstrating how a simple compound can play a part in countless transformations within both natural and synthetic realms.

Synonyms
FERROUS OXALATE
516-03-0
Iron(II) oxalate
Iron protoxalate
Iron(2+) oxalate
DZP4YV3ICV
UNII-DZP4YV3ICV
Iron oxalate (FeC2O4)
EINECS 208-217-4
Oxalic acid, iron(2+) salt (1:1)
HSDB 463
FERROUS OXALATE [MI]
Ethanedioic acid, iron(2+) salt (1:1)
FERROUS OXALATE [HSDB]
FERROX (FE(C2O4))
FERROUS OXALATE [MART.]
FERROUS OXALATE (1:1)
FERROUS OXALATE [WHO-DD]
Iron, [ethanedioato(2-)-.kappa.O1,.kappa.O2]-
FERROUS OXALATE (FE(C2O4))
OXALIC ACID, IRON(2+) SALT
IRON, (ETHANEDIOATO(2-)-O,O')-
Iron, (ethanedioato(2-)-kappaO1,kappaO2)-
IRON OXALATE [FEC2O4]
FERROUS OXALATE (MART.)
IRON, (ETHANEDIOATO(2-)-.KAPPA.O1,.KAPPA.O2)-
DTXSID4060159
6047-25-2
611-981-5
DTXCID7041041
OXALIC ACID, FERROUS SALT
ferrox
iron(2+);oxalate
Iron(II) oxalate hydrate
Iron, [ethanedioato(2-)-kO1,kO2]-
FERROUSOXALATE
ferrous oxalate hydrate
SCHEMBL72959
?(2)-iron(2+) oxalate ion
OWZIYWAUNZMLRT-UHFFFAOYSA-L
Fe>30.5%
AKOS015915318
CS-0158500
NS00087565
NS00093531
Q1990904